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One Simple Ingredient
Colloidal silica consists of nano-scale silica particles, predominantly Silicon Dioxide (SiO2), dispersed in a
liquid medium. Through refining silica sand, we meticulously disperse and stabilize SiO2 particles within the
liquid to achieve a consistent and stable colloidal mixture. Our technique ensures that the colloidal silica has an
even particle size distribution, making it ideal for a variety of applications such as a binder, surface modifier,
flocculant, and more.
Many Nuances
Even subtle differences in colloidal
silica properties can significantly impact its applications. Advent Silica’s product portfolio
offers a wide range of products that encompass a broad spectrum of these properties.
The pH value determines the surface charge and
stability of the colloidal silica particles, influencing their interactions and
dispersion behavior. Controlling the pH allows precise manipulation of colloidal
stability and surface properties.
Advent Silica offers various lines of alkaline, acidic, or near-neutral colloidal silica solutions, catering to different applications.
Smaller particle sizes of colloidal silica offer a
larger surface area, resulting in increased reactivity, adsorption capacity, and
enhanced stability. Conversely, larger particles provide improved mechanical
reinforcement, filling, and controlled release capabilities.
Advent Silica has the capability to customize particle sizes ranging from 3nm to 180nm.
The concentration of silica affects various aspects,
including viscosity, stability, and performance in different applications. Higher
concentrations often lead to increased viscosity and improved binding or reinforcing
properties.
Advent Silica’s product offerings provide a range of tailored concentrations from 15 to 50%.
Stabilizing ions, such as sodium or ammonium ions,
play a role in maintaining colloidal stability by preventing particle agglomeration and
maintaining the desired dispersion.
Advent Silica offers ammonium-stabilized solutions in situations where the use of sodium stabilizing ions is to be avoided.
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Infinite Potential
The remarkable properties of colloidal
silica empower various sectors to achieve enhanced durability, precise surface finishes, and
improved performance, among other benefits.
Colloidal silica’s outstanding stability makes it
suitable as a binder in investment casting, coatings, a catalyst support in chemical
reactions, and a polishing agent for precision surfaces.
The controlled particle size distribution enables
precise customization of materials and structures, resulting in specific optical
properties, mechanical characteristics, and printing behavior in various applications.
With its high surface area, colloidal silica
enhances adsorption capacity, making it valuable in wastewater treatment, adhesives,
ceramics, as well as cosmetics.
Colloidal silica’s exceptional stability, controlled
particle size distribution, and high surface area enable diverse uses, from acting as a
binder in investment casting and coatings to catalyst support in chemical reactions, and
enhancing adsorption capacity in wastewater treatment, adhesives, ceramics, and
cosmetics.
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